Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to 950afcec26f87ee83041de405a79ca66a1f7d46d
  - Update doc to reference 1.6.3 RC2 frankfurt image

    - refactoring of the integration page
    - add link to s3p page
    - add a table of the repositories managed by Integration

    Issue-ID: INT-1551

    Signed-off-by: mrichomme <morgan.richomme@orange.com>
    Change-Id: I36adec41f6938925561210da905d69c76cddfa8b
    Signed-off-by: mrichomme <morgan.richomme@orange.com>

diff --git a/docs/submodules/integration.git b/docs/submodules/integration.git
index 73c2d81..950afce 160000 (submodule)
--- a/docs/submodules/integration.git
+++ b/docs/submodules/integration.git
@@ -1 +1 @@
-Subproject commit 73c2d81546decf3b9356fa186f5054592975c75d
+Subproject commit 950afcec26f87ee83041de405a79ca66a1f7d46d